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Finding the Fourth Proportional to 368,348.88, 508,394.04 and 239,447.04

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Solution

The fourth proportional to 368,348.88, 508,394.04 and 239,447.04 is: 330,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,348.88 : 508,394.04 = 239,447.04 : x
  2. Step 2: Convert to fraction form
    368,348.88/508,394.04 = 239,447.04/x
  3. Step 3: Cross multiply
    368,348.88x = 508,394.04 × 239,447.04
  4. Step 4: Simplify right side
    368,348.88x = 121,733,448,031.64
  5. Step 5: Solve for x
    x = 121,733,448,031.64/368,348.88
  6. Step 6: Final answer
    x = 330,484.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.